I am Rajnish Kumar, a Web, App, and Full-Stack Developer with real industry experience at NSPCL, where I built a complete internal Policy Portal with frontend, backend APIs, SQL Server, and role-based access. I work with HTML, CSS, JavaScript, React, MERN, Flutter, Nodejs, Expressjs, Flask, MySQL, SQL Server, and MongoDB. I have created e-commerce platforms, calculator apps, and weather apps. I can help you build responsive websites, mobile apps, backend systems, and deliver clean, fast, and reliable solutions. I focus on user-friendly design, optimized performance, and clean coding practices.... Lee más